{% for foo in data_list %}
    <li {% if foo.class %} class="{{ foo.class }} {% endif %}"><a href="{{ foo.url }}">{{ foo.title }}</a></li>

{% endfor %}


{#<li><a href="{% url 'wiki' project_id=request.tracer.project.id %}">wiki</a></li>#}
{#<li><a href="{% url 'issues' project_id=request.tracer.project.id %}">问题</a></li>#}
{#<li><a href="{% url 'issues' project_id=request.tracer.project.id %}">问题</a></li>#}